JEE Main 2004 — Current Electricity Question with Solution
JEE Main 2004
Question
The resistance of the series combination of two resistances is . When they are joined in parallel through total resistance is . If , then the minimum possible value of is
Choose an option
Show full solutionCorrect option: A
Correct answer
A4
Step-by-step explanation
Let resistances be and
So, ;
If , so minimum value of .
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This is a previous-year question from JEE Main 2004, covering the Current Electricity chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.